From 1f40f5643e1604924fa28dcff1c42a5cdea83fb4 Mon Sep 17 00:00:00 2001
From: hzrd149 <github@hzrd149.com>
Date: Fri, 24 Mar 2023 11:04:40 -0500
Subject: [PATCH] add lightning payment mode setting

---
 .changeset/yellow-trainers-sparkle.md |  5 +++
 src/components/zap-modal.tsx          | 49 ++++++++++++++++++++-------
 src/services/settings.ts              |  7 ++++
 src/views/settings/index.tsx          | 42 +++++++++++++++++++++--
 4 files changed, 88 insertions(+), 15 deletions(-)
 create mode 100644 .changeset/yellow-trainers-sparkle.md

diff --git a/.changeset/yellow-trainers-sparkle.md b/.changeset/yellow-trainers-sparkle.md
new file mode 100644
index 000000000..0d5d2f751
--- /dev/null
+++ b/.changeset/yellow-trainers-sparkle.md
@@ -0,0 +1,5 @@
+---
+"nostrudel": minor
+---
+
+Add lighting payment mode setting
diff --git a/src/components/zap-modal.tsx b/src/components/zap-modal.tsx
index fd348bf6c..c05eec722 100644
--- a/src/components/zap-modal.tsx
+++ b/src/components/zap-modal.tsx
@@ -1,6 +1,7 @@
 import {
   Button,
   ButtonGroup,
+  DefaultIcon,
   Flex,
   IconButton,
   Input,
@@ -33,6 +34,7 @@ import { useSigningContext } from "../providers/signing-provider";
 import QrCodeSvg from "./qr-code-svg";
 import { CopyIconButton } from "./copy-icon-button";
 import { useIsMobile } from "../hooks/use-is-mobile";
+import settings from "../services/settings";
 
 type FormValues = {
   amount: number;
@@ -59,7 +61,7 @@ export default function ZapModal({
   const metadata = useUserMetadata(pubkey);
   const { requestSignature } = useSigningContext();
   const toast = useToast();
-  const [invoice, setInvoice] = useState<string>();
+  const [promptInvoice, setPromptInvoice] = useState<string>();
   const { isOpen: showQr, onToggle: toggleQr } = useDisclosure();
   const isMobile = useIsMobile();
 
@@ -118,7 +120,7 @@ export default function ZapModal({
               const parsed = parsePaymentRequest(payRequest);
               if (parsed.amount !== amountInMilisat) throw new Error("incorrect amount");
 
-              setInvoice(payRequest);
+              payInvoice(payRequest);
             } else throw new Error("Failed to get invoice");
           }
         } else {
@@ -131,7 +133,7 @@ export default function ZapModal({
             const parsed = parsePaymentRequest(payRequest);
             if (parsed.amount !== amountInMilisat) throw new Error("incorrect amount");
 
-            setInvoice(payRequest);
+            payInvoice(payRequest);
           } else throw new Error("Failed to get invoice");
         }
       } else throw new Error("Failed to get LNURL metadata");
@@ -140,7 +142,7 @@ export default function ZapModal({
     }
   };
 
-  const payWithWebLn = async () => {
+  const payWithWebLn = async (invoice: string) => {
     if (window.webln && invoice) {
       if (!window.webln.enabled) await window.webln.enable();
       await window.webln.sendPayment(invoice);
@@ -155,7 +157,7 @@ export default function ZapModal({
       onClose();
     }
   };
-  const payWithApp = async () => {
+  const payWithApp = async (invoice: string) => {
     window.open("lightning:" + invoice);
 
     const listener = () => {
@@ -170,9 +172,24 @@ export default function ZapModal({
     }, 1000 * 2);
   };
 
+  const payInvoice = (invoice: string) => {
+    switch (settings.lightningPayMode.value) {
+      case "webln":
+        payWithWebLn(invoice);
+        break;
+      case "external":
+        payWithApp(invoice);
+        break;
+      default:
+      case "prompt":
+        setPromptInvoice(invoice);
+        break;
+    }
+  };
+
   const handleClose = () => {
-    // if there was an invoice and we a closing the modal. presume it was paid
-    if (invoice && onPaid) {
+    // if there was an invoice and we are closing the modal. presume it was paid
+    if (promptInvoice && onPaid) {
       onPaid();
     }
     onClose();
@@ -183,11 +200,11 @@ export default function ZapModal({
       <ModalOverlay />
       <ModalContent>
         <ModalBody padding="4">
-          {invoice ? (
+          {promptInvoice ? (
             <Flex gap="4" direction="column">
-              {showQr && <QrCodeSvg content={invoice} />}
+              {showQr && <QrCodeSvg content={promptInvoice} />}
               <Flex gap="2">
-                <Input value={invoice} readOnly />
+                <Input value={promptInvoice} readOnly />
                 <IconButton
                   icon={<QrCodeIcon />}
                   aria-label="Show QrCode"
@@ -195,15 +212,21 @@ export default function ZapModal({
                   variant="solid"
                   size="md"
                 />
-                <CopyIconButton text={invoice} aria-label="Copy Invoice" variant="solid" size="md" />
+                <CopyIconButton text={promptInvoice} aria-label="Copy Invoice" variant="solid" size="md" />
               </Flex>
               <Flex gap="2">
                 {window.webln && (
-                  <Button onClick={payWithWebLn} flex={1} variant="solid" size="md">
+                  <Button onClick={() => payWithWebLn(promptInvoice)} flex={1} variant="solid" size="md">
                     Pay with WebLN
                   </Button>
                 )}
-                <Button leftIcon={<ExternalLinkIcon />} onClick={payWithApp} flex={1} variant="solid" size="md">
+                <Button
+                  leftIcon={<ExternalLinkIcon />}
+                  onClick={() => payWithApp(promptInvoice)}
+                  flex={1}
+                  variant="solid"
+                  size="md"
+                >
                   Open App
                 </Button>
               </Flex>
diff --git a/src/services/settings.ts b/src/services/settings.ts
index 9b293859a..f826df3de 100644
--- a/src/services/settings.ts
+++ b/src/services/settings.ts
@@ -2,6 +2,12 @@ import { PersistentSubject } from "../classes/subject";
 import db from "./db";
 import { Account } from "./account";
 
+export enum LightningPayMode {
+  Prompt = "prompt",
+  Webln = "webln",
+  External = "external",
+}
+
 const settings = {
   blurImages: new PersistentSubject(true),
   autoShowMedia: new PersistentSubject(true),
@@ -9,6 +15,7 @@ const settings = {
   showReactions: new PersistentSubject(true),
   showSignatureVerification: new PersistentSubject(false),
   accounts: new PersistentSubject<Account[]>([]),
+  lightningPayMode: new PersistentSubject<LightningPayMode>(LightningPayMode.Prompt),
 };
 
 async function loadSettings() {
diff --git a/src/views/settings/index.tsx b/src/views/settings/index.tsx
index 95884c479..8225fc300 100644
--- a/src/views/settings/index.tsx
+++ b/src/views/settings/index.tsx
@@ -13,13 +13,14 @@ import {
   AccordionIcon,
   ButtonGroup,
   FormHelperText,
+  Select,
 } from "@chakra-ui/react";
 import { useState } from "react";
-import settings from "../../services/settings";
+import settings, { LightningPayMode } from "../../services/settings";
 import { clearCacheData, deleteDatabase } from "../../services/db";
 import accountService from "../../services/account";
 import useSubject from "../../hooks/use-subject";
-import { LogoutIcon } from "../../components/icons";
+import { LightningIcon, LogoutIcon } from "../../components/icons";
 
 export default function SettingsView() {
   const blurImages = useSubject(settings.blurImages);
@@ -27,6 +28,7 @@ export default function SettingsView() {
   const proxyUserMedia = useSubject(settings.proxyUserMedia);
   const showReactions = useSubject(settings.showReactions);
   const showSignatureVerification = useSubject(settings.showSignatureVerification);
+  const lightningPayMode = useSubject(settings.lightningPayMode);
 
   const { colorMode, setColorMode } = useColorMode();
 
@@ -178,6 +180,42 @@ export default function SettingsView() {
           </AccordionPanel>
         </AccordionItem>
 
+        <AccordionItem>
+          <h2>
+            <AccordionButton>
+              <Box as="span" flex="1" textAlign="left">
+                Lightning <LightningIcon color="yellow.400" />
+              </Box>
+              <AccordionIcon />
+            </AccordionButton>
+          </h2>
+          <AccordionPanel>
+            <Flex direction="column" gap="4">
+              <FormControl>
+                <FormLabel htmlFor="lightning-payment-mode" mb="0">
+                  Payment mode
+                </FormLabel>
+                <Select
+                  id="lightning-payment-mode"
+                  value={lightningPayMode}
+                  onChange={(e) => settings.lightningPayMode.next(e.target.value as LightningPayMode)}
+                >
+                  <option value="prompt">Prompt</option>
+                  <option value="webln">WebLN</option>
+                  <option value="external">External</option>
+                </Select>
+                <FormHelperText>
+                  <span>Prompt: Ask every time</span>
+                  <br />
+                  <span>WebLN: Use browser extension</span>
+                  <br />
+                  <span>External: Open an external app using "lightning:" link</span>
+                </FormHelperText>
+              </FormControl>
+            </Flex>
+          </AccordionPanel>
+        </AccordionItem>
+
         <AccordionItem>
           <h2>
             <AccordionButton>